Moving the iOS directory to be remoting top level.

remoting/client/ios/host_preferences_persistence.h

Index: remoting/client/ios/host_preferences_persistence.h
diff --git a/remoting/client/ios/host_preferences_persistence.h b/remoting/client/ios/host_preferences_persistence.h
deleted file mode 100644
index b5484ebfb5198851c0c831c2d323e5f8e2c96b26..0000000000000000000000000000000000000000
--- a/remoting/client/ios/host_preferences_persistence.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef REMOTING_CLIENT_IOS_HOST_PREFERENCES_PERSISTENCE_H_
-#define REMOTING_CLIENT_IOS_HOST_PREFERENCES_PERSISTENCE_H_
-
-#import <CoreData/CoreData.h>
-
-// Methods used to store and recall Host Prefrences on the keychain.
-// Used to cache data for quicker connection to previously fetched host data.
-namespace remoting {
-namespace ios {
-
-NSError* WriteHostPreferencesToKeychain(NSData* data);
-NSData* ReadHostPreferencesFromKeychain();
-
-}  // namespace ios
-}  // namespace remoting
-
-#endif  // REMOTING_CLIENT_IOS_HOST_PREFERENCES_PERSISTENCE_H_